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This paper reports a microfluidic nanoparticles sorting generator by using optical force and hydrodynamic forces. Nanoparticles ranges in size from 70 nm to 1 μm can be aligned and focused in the core flow stream by hydrodynamic focusing. By injecting light into the microfluidic system, the particles can be subsequently manipulated by the optical forces and liquid Stoke forces. The particles with...
Sperm motility is an important concept in fertility research. To this end, single spot laser tweezers have been used to quantitatively analyze the motility of individual sperm. However, this method is limited with throughput (single sperm per spot), lacks the ability of in-situ sorting based on motility and chemotaxis, requires high laser power (hundreds of milliWatts) and can not be used to dynamically...
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